nmkid
Gold $$ Contributor
I have been using "One Shot" for a few years and have never had this happen. Instructions on using the lube were followed. Guess which three cases were "One Shot and which were Imperial Lube. I'll be taking the die apart today and check for gunk. Don't know what else to do. The Imperial Lube cases show just a tiny bit of circular mark. Do you think it's the die>